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SAMSUNG 8GB 1RX4 PC4-2133P  M393A1G40DB0-CPB0Q MEMORY MODULE
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SAMSUNG
SAMSUNG 8GB 1RX4 PC4-2133P M393A1G40DB0-CPB0Q MEMORY MODULE
  • Voltage: 1.20V
  • Compatible System: M393A1G40DB0-CPB
  • CAS Latency: CL15
  • Type: 288-Pin DDR4 SDRAM
  • Model #: M393A1G40DB0-CPB-110
NEMIX RAM 256GB (8X32GB) DDR4 3200MHZ PC4-25600 2Rx8 1.2V CL22 288-PIN Non-ECC Unbuffered UDIMM Desktop PC Memory KIT Compatible with Gigabyte TRX40 AORUS Xtreme Motherboard
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NEMIX RAM 256GB (8X32GB) DDR4 3200MHZ PC4-25600 2Rx8 1.2V CL22 288-PIN Non-ECC Unbuffered UDIMM Desktop PC Memory KIT Compatible with Gigabyte TRX40 AORUS Xtreme Motherboard
  • Brand: NEMIX RAM
  • Series: Gigabyte Gaming Motherboard Compatible Series Memory
  • Capacity: 256GB (8 x 32GB)
  • Speed: DDR4 3200 (PC4 25600)
  • Model #: MD25600-328K8-TRX40-GB-AORUS-XTREME
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  • $1,829.99 
NEMIX RAM 128GB (4X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN Non-ECC Unbuffered UDIMM Desktop PC Memory KIT Compatible with MSI B650M Project Zero Motherboard
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NEMIX RAM 128GB (4X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN Non-ECC Unbuffered UDIMM Desktop PC Memory KIT Compatible with MSI B650M Project Zero Motherboard
  • Voltage: 1.10V
  • Compatible System: MSI
  • CAS Latency: CL40
  • Part Number: MD38400-328K4
  • Model #: MD38400-328K4-B650M-PROZERO
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  • $2,299.89 
HP 16GB 240-Pin DDR3 SDRAM DDR3 1066 (PC3 8500) Registered System Specific Memory Model 500666-B21
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HP
HP 16GB 240-Pin DDR3 SDRAM DDR3 1066 (PC3 8500) Registered System Specific Memory Model 500666-B21
  • Compatible System: HP/Compaq
  • Type: 240-Pin DDR3 SDRAM
  • Parts: Lifetime limited
  • Labor: Lifetime limited
  • Model #: 500666-B21
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  • $49.25 
  • Free Shipping
NEMIX RAM 64GB (2X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with Dell PowerEdge R760xa Rack Server
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NEMIX RAM 64GB (2X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with Dell PowerEdge R760xa Rack Server
  • Brand: NEMIX RAM
  • Series: Dell Server/Workstation Compatible Series Memory
  • Capacity: 64GB (2 x 32GB)
  • Speed: DDR5 4800 (PC5 38400)
  • Model #: MR38400-328K2-R760XA
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  • $1,975.89 
Kingston ValueRAM 512MB DDR 400 (PC 3200) Desktop Memory Model KVR400/512R
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Kingston ValueRAM 512MB DDR 400 (PC 3200) Desktop Memory Model KVR400/512R
  • Voltage: 2.60V
  • CAS Latency: CL3
  • Type: 184-Pin DDR SDRAM
  • Parts: Lifetime limited
  • Model #: KVR400/512R
NEMIX RAM 256GB (8X32GB) DDR4 2666MHZ PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with ASRock EPYCD8-2T Series Motherboard
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  • $1,982.99 
  • Free Shipping
Kingston 8GB ECC Registered DDR3 1600 (PC3 12800) Server Memory Model KTH-PL316LV/8G
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  • $27.99 
  • Free Shipping
Kingston 4GB 288-Pin DDR4 SDRAM DDR4 2133 (PC4 17000) System Specific Memory Model KCP421NS8/4
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  • $42.79
  •  
  • $34.99 
  • Save: 18%
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NEMIX RAM 64GB (4X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with ASRock WRX90 WS EVO Motherboard
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NEMIX RAM 64GB (4X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with ASRock WRX90 WS EVO Motherboard
  • Brand: NEMIX RAM
  • Series: ASRock Server Motherboard Compatible Series Memory
  • Capacity: 64GB (4 x 16GB)
  • Speed: DDR5 4800 (PC5 38400)
  • Model #: MR38400-618K4-WRX90-WS-EVO
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  • $2,111.89 
Kingston 2GB (2 x 1GB) DDR2 667 (PC2 5300) ECC Fully Buffered Dual Channel Kit System Specific Memory Model KTH-XW667/2G
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Kingston 2GB (2 x 1GB) DDR2 667 (PC2 5300) ECC Fully Buffered Dual Channel Kit System Specific Memory Model KTH-XW667/2G
  • Voltage: 1.80V
  • Compatible System: HP/Compaq
  • CAS Latency: CL5
  • Heat Spreader: Yes
  • Model #: KTH-XW667/2G
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  • $38.50 
  • Free Shipping
Kingston 256MB 168-Pin SDRAM PC 133 Unbuffered System Specific Memory For Dell Model KTD-GX150/256
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Kingston 256MB 168-Pin SDRAM PC 133 Unbuffered System Specific Memory For Dell Model KTD-GX150/256
  • Voltage: 3.30V
  • Compatible System: Dell
  • Parts: Lifetime
  • Labor: Lifetime
  • Model #: KTD-GX150/256
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  • $24.95 
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Kingston 1GB 184-Pin DDR SDRAM DDR 400 (PC 3200) Unbuffered System Specific Memory For HP/Compaq Model KTH-D530/1G
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Kingston 1GB 184-Pin DDR SDRAM DDR 400 (PC 3200) Unbuffered System Specific Memory For HP/Compaq Model KTH-D530/1G
  • Voltage: 2.60V
  • Compatible System: HP/Compaq
  • Type: 184-Pin DDR SDRAM
  • Parts: Lifetime
  • Model #: KTH-D530/1G
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  • $24.99 
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Kingston 512MB 184-Pin DDR SDRAM DDR 266 (PC 2100) Unbuffered System Specific Memory for HP/Compaq Model KTC-PR266/512
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Kingston 512MB 184-Pin DDR SDRAM DDR 266 (PC 2100) Unbuffered System Specific Memory for HP/Compaq Model KTC-PR266/512
  • Compatible System: HP/Compaq
  • Type: 184-Pin DDR SDRAM
  • Parts: Lifetime limited
  • Labor: Lifetime limited
  • Model #: KTC-PR266/512
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  • $22.99 
  • Free Shipping
NEMIX RAM 128GB (4X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN Non-ECC Unbuffered UDIMM Desktop PC Memory KIT Compatible with ASUS ROG Strix Z890-E Gaming WiFi Motherboard
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  •  
  • $2,299.89 
Kingston ValueRAM 1GB DDR 333 (PC 2700) ECC Registered System Memory Model KVR333X72RC25/1g
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Kingston ValueRAM 1GB DDR 333 (PC 2700) ECC Registered System Memory Model KVR333X72RC25/1g
  • Voltage: 2.50V
  • CAS Latency: CL2.5
  • Type: 184-Pin DDR SDRAM
  • Parts: Lifetime
  • Model #: KVR333X72RC25/1G
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  • $39.00 
  • Free Shipping
Kingston 2GB 240-Pin DDR3 SDRAM DDR3 1333 System Specific Memory for HP/Compaq Model KTH9600B/2G
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Kingston 2GB 240-Pin DDR3 SDRAM DDR3 1333 System Specific Memory for HP/Compaq Model KTH9600B/2G
  • Compatible System: HP/Compaq
  • Type: 240-Pin DDR3 SDRAM
  • Parts: Lifetime limited
  • Labor: Lifetime limited
  • Model #: KTH9600B/2G
  • $29.41
  •  
  • $19.45 
  • Save: 33%
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SAMSUNG M378B5173Cb0-Ck0  Memory For Desktop Memory-M378B5173Cb0-Ck0
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Kingston 16GB (2 x 8GB) DDR2 667 (PC2 5300) ECC Fully Buffered System Specific Memory Model KTD-WS667/16G
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Kingston 16GB (2 x 8GB) DDR2 667 (PC2 5300) ECC Fully Buffered System Specific Memory Model KTD-WS667/16G
  • Voltage: 1.80V
  • Compatible System: Dell
  • CAS Latency: CL5
  • Type: 240-Pin DDR2 SDRAM
  • Model #: KTD-WS667/16G
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  • $59.99 
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Kingston 4GB DDR2 800 (PC2 6400) ECC System Specific Memory Model KTH-XW4400E6/4G
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Kingston 4GB DDR2 800 (PC2 6400) ECC System Specific Memory Model KTH-XW4400E6/4G
  • Compatible System: HP ProLiant Server: - DL120 G5 - DL320 G5p - ML110 G5 - ML115 G5 - ML310 G5 - L310 G5p HP Workstation: - xw4600 - xw4600 / CT
  • CAS Latency: CL6
  • Type: 240-Pin DDR2 SDRAM
  • Parts: Lifetime limited
  • Model #: KTH-XW4400E6/4G
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  • $99.99 
  • Free Shipping
NEMIX RAM 512GB (8X64GB) DDR4 2666MHZ PC4-21300 4Rx4 1.2V CL19 288-PIN ECC LRDIMM Load Reduced Server Memory KIT Compatible with ASRock Rack EPYCD8-2T Motherboard
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NEMIX RAM 512GB (8X64GB) DDR4 2666MHZ PC4-21300 4Rx4 1.2V CL19 288-PIN ECC LRDIMM Load Reduced Server Memory KIT Compatible with ASRock Rack EPYCD8-2T Motherboard
  • Brand: NEMIX RAM
  • Series: ASRock Server Motherboard Compatible Series Memory
  • Capacity: 512GB (8 x 64GB)
  • Speed: DDR4 2666 (PC4 21300)
  • Model #: 0759170877386
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  • $2,349.00 
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Kingston 2GB (2 x 1GB) 184-Pin DDR SDRAM DDR 266 (PC 2100) ECC Registered Dual Channel Kit System Specific Memory for HP/Compaq Model KTC-ML370G3/2G
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Kingston 2GB (2 x 1GB) 184-Pin DDR SDRAM DDR 266 (PC 2100) ECC Registered Dual Channel Kit System Specific Memory for HP/Compaq Model KTC-ML370G3/2G
  • Voltage: 2.50V
  • Compatible System: HP/Compaq
  • Type: 184-Pin DDR SDRAM
  • Parts: Lifetime limited
  • Model #: KTC-ML370G3/2G
  • $37.67
  •  
  • $28.99 
  • Save: 23%
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8GB Kit 2x 4GB DDR2 800 MHz PC2-6400 Sodimm Memory for IBM Lenovo HP Dell Laptop
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  • $139.00 
  • Free Shipping
Kingston 16GB 240-Pin DDR3 SDRAM ECC Registered DDR3 1866 (PC3 14900) System Specific Memory Model KTD-PE318/16G
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Kingston 16GB 240-Pin DDR3 SDRAM ECC Registered DDR3 1866 (PC3 14900) System Specific Memory Model KTD-PE318/16G
  • Compatible System: Dell
  • CAS Latency: CL13
  • Type: 240-Pin DDR3 SDRAM
  • Model #: KTD-PE318/16G.
  • $79.99
  •  
  • $49.99 
  • Save: 37%
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SAMSUNG 1GB DDR 400 (PC 3200) System Memory Model M368L2923BTM-CCC
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SAMSUNG 1GB DDR 400 (PC 3200) System Memory Model M368L2923BTM-CCC
  • Voltage: 2.60V
  • CAS Latency: CL3
  • Type: 184-Pin DDR SDRAM
  • Parts: 1 year
  • Model #: M368L2923BTM-CCC
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  • $29.00 
  • Free Shipping
Dell SNPNWMX1C/4G Dell Dell Memory - 4 GB - DDR3L - 4 GB - DDR3 SDRAM - 204-pin - SoDIMM
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  • $29.99 
  • Free Shipping
8GB 4x2GB Memory Dell Precision Workstation 690 FB-DIMM (ALL MAJOR BRANDS)
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  • $24.99 
  • Free Shipping
Kingston 2GB DDR2 800 (PC2 6400) ECC Low Power System Specific Memory Model KTD-DM8400C6E/2G
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Kingston 2GB DDR2 800 (PC2 6400) ECC Low Power System Specific Memory Model KTD-DM8400C6E/2G
  • Voltage: 1.80V
  • CAS Latency: CL6
  • Type: 240-Pin DDR2 SDRAM
  • Parts: Lifetime limited
  • Model #: KTD-DM8400C6E/2G
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  • $29.00 
  • Free Shipping
4GB (4x 1GB) Desktop Ram Memory Dell Dimension 4600 (MAJOR BRANDS)
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  • $39.50 
  • Free Shipping
NEMIX RAM 16GB (1X16GB) DDR4 2133MHZ PC4-17000 2Rx8 1.2V CL15 260-PIN Non-ECC Unbuffered SODIMM Compatible with Samsung M471A2K43BB1-CPB
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NEMIX RAM 16GB (1X16GB) DDR4 2133MHZ PC4-17000 2Rx8 1.2V CL15 260-PIN Non-ECC Unbuffered SODIMM Compatible with Samsung M471A2K43BB1-CPB
  • Brand: NEMIX RAM
  • Series: Samsung Laptop, AIO All-in-One PC Compatible Series Memory
  • Capacity: 16GB
  • Speed: DDR4 2133 (PC4 17000)
  • Model #: 759170818174
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  • $88.88 
  • Free Shipping
MemoryMasters Compatible 2GB (2X 1GB) DDR3 1333MHz PC3-10600 (240-pin DIMM) Desktop Computer Memory RAM Modules
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  • $19.70 
  • Free Shipping

System-specific memory has a significant effect on your device's performance. Memory is also called Random Access Memory (RAM), and selecting the correct type is important, as it needs to match the specifications of your device. The Double Data Rate (DDR) generation, for example, needs to match your motherboard. DDR 2 is what older computers use, and DDR 3 goes with motherboards created after 2007, with the latest motherboards being designed to work with DDR 4. Determine how much RAM you can install by checking your operating system. If you are using Windows®, it will vary between the 32-bit version, which can handle 4GB of RAM at most, and the 64-bit version, which can handle up to 3TB of RAM. Also check to see if the version is Pro or Home. When choosing system-specific RAM, first double-check the specifications of both your motherboard and your operating system.

Run Programs, Applications, and Games Efficiently With System-Specific Memory

Reduce latency and prevent programs from crashing due to overload with sufficient system-specific memory. Gamers need a minimum of 8GB of RAM, and creative professionals require at least 16GB to run programs that use a lot of processing power. RAM modules are available from as little as 128MB up to 64GB. The number of RAM modules you can purchase depends on how many Dual In-Line Memory Module (DIMM) slots your motherboard has. Bear in mind that smaller motherboards (mITX- Mini-ITX and mATX- Micro-ATX) only have two slots, whereas the larger ATX and Extended-ATX (eATX) models have four or more. Get around limited space issues by purchasing a RAM module with a higher amount of memory. DIMM is specifically designed for use as desktop RAM, as these modules fit into the available slots of a desktop computer.

Speed Up Your Laptop and Run More Applications at Once With RAM

Upgrade your laptop by increasing the amount of RAM. Small Outline Dual Inline Memory Module (SO-DIMM) options are the correct choice for laptop RAM. SO-DIMM slots accommodate the smaller and slimmer case of laptops. As with a desktop, check what your operating system and motherboard can handle. Use Unbuffered Non-Error Correction Code memory, abbreviated as unbuffered non-ECC registered RAM and also known as Static RAM (SRAM), for personal computers and laptops for work, entertainment, or gaming purposes. This type of RAM is faster, which is especially important for gamers and creative professionals.

Keep Your Server Processing and Data Safe With RAM

Because servers run constantly and process so much data, it is best to purchase dedicated server memory. Unlike desktop computers and laptops, servers require ECC registered RAM, also known as Dynamic Random Access Memory or DRAM. ECC registered memory finds errors and corrects them, which helps prevent data corruption without needing manual input. This lets your servers transfer data faster, keeps your data safe and places a smaller electrical load on your computer without requiring input from the user.

Bestselling System Specific Memory Reviews:

Anonymous
3/16/2026 6:03:37 PM
The memory is good

“ The memory is good, shipping was fast, and delivery was quick. ”

A-Tech 64GB Kit (2x32GB) RAM for Apple iMac (2019, 2020), Mac mini (Late 2018, Early 2020) | DDR4 2666MHz PC4-21300 SODIMM 260-Pin Memory Upgrade
Anonymous
2/6/2026 9:23:17 PM
Reliable SK Hynix-Based ECC Memory for Professional Workstations

“ - Uses genuine SK Hynix memory chips - a top-tier manufacturer known for quality and reliability ”

NEMIX RAM 16GB (1X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT Compatible with Micron KSM48R40BS8KMM-16HMR
Anonymous
4/1/2023 8:32:49 AM
Crucial - 4GB DDR3 1600 MHz

“ Decided to finally max out my laptop's memory after Microsoft released W10-22H2. ”

Crucial - DDR3 - 4 GB - SO-DIMM 204-pin - 1600 MHz / PC3-12800 - CL11 - 1.35 V - unbuffered - non-ECC - for Apple iMac 2
Anonymous
2/23/2023 7:38:14 AM
Very pleased

“ Show up in system info as two 8GB sticks for 16GB. ”

Crucial 16GB (2 x 8GB) DDR3 1600 (PC3 12800) Unbuffered Memory for Mac Model CT2K8G3S160BM